Demonstratio Mathematica > 2016 > Vol. 49, nr 4 > 463--469
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journal ISSN : | 2391-4661 |
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[1] R. Hill, A. Dow, An index formula, J. Differential Equations 15 (1982), 197–211.
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[2] T. Ando, Concavity of certain maps on positive definite matrices and applications to Hadamard products, Linear Algebra Appl. 26 (1979), 203–241.
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[3] J. S. Aujla, A simple proof of Lieb concavity theorem, J. Math. Phys. 52, 043505 (2011), 3 pages. doi:10.1063/1.3573594